SUN HYDRAULICS
DNCADBN223

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics DNCADBN223 (DNCADBN223) is a high-performance solenoid-operated, 4-way, 2-position cartridge valve designed for precise control in hydraulic systems. This direct-acting, balanced spool directional valve features a closed transition between positions, minimizing oil loss during shifting which is crucial in maintaining efficiency particularly in pilot control circuits. It operates with a capacity of 8 gpm (30 L/min) based on port 3 as the inlet and port 1 as the tank, although it allows for reverse flow. Engineered for robust performance, the DNCADBN223 can handle a maximum operating pressure of up to 5000 psi (350 bar). Its solenoid tube assembly is fatigue rated for high-pressure service, ensuring durability and reliability under demanding conditions. The valve requires no minimum hydraulic pressure for operation and incorporates a wet armature design where the working fluid surrounds the armature. This design consideration is vital when the coil is energized for extended periods as it affects fluid integrity due to heat exposure. Additionally, the DNCADBN223 offers a variety of coil termination and voltage options to suit different operational needs and environments, including configurations with IP69K-rated connectors for enhanced environmental protection. Its unique magnetic design results in a highly efficient solenoid that provides strong spool actuating force per watt expended. This feature ensures reliable valve shifting even under strenuous conditions. The construction of this model includes Sun's floating style which helps prevent internal parts binding caused by excessive installation torque or variations in cavity/cartridge machining. For systems utilizing phosphate ester fluids, cartridges configured with EPDM seals are recommended due to their compatibility; however, exposure to petroleum-based fluids should be avoided as it damages the seals. With interchangeable coils compatible with other Sun Series 1 solenoid products and minimal manual override requirements, this valve stands out for its versatility and ease of use in various hydraulic applications.